功血依据的分类标准是()
A.有无HPOA轴器质性病变
B.有无子宫内膜增生过长
C.有无下丘脑和垂体的功能失调
D.有无子宫和卵巢的病变
E.有无排卵
参考答案:E
The pest method of forming an eye in wire rope is using().
A.three wire rope clamps
B.an eye splice with four or five tucks
C.a thimble fastened with four or five tucks
D.a wire rope socket attached with zinc